On June 10, 2019, the FDA granted accelerated approval to polatuzumab vedotin-piiq (Polivy; Genentech), a CD79b-directed antibody–drug conjugate, in combination with bendamustine (Bendeka, Treanda) plus rituximab (Rituxan or a biosimilar), for the treatment of patients with relapsed or refractory diffuse large B-cell lymphoma (DLBCL) who have received ≥2 lines of therapy. The FDA granted polatuzumab breakthrough therapy and orphan drug designations.
Chronic lymphocytic leukemia (CLL) is a cancer of B-cell lymphocytes and is the most common type of leukemia in adults. More than 20,000 Americans were diagnosed with CLL in 2018.
Imbruvica (Ibrutinib) plus Rituxan (Rituximab) New Combination Approved for the Treatment of Waldenström’s Macroglobulinemia
In 1944, Jan G. Waldenström, MD, published his observations about a series of patients who presented with anemia, hepatosplenomegaly, hyperviscosity, bleeding, lymphoplasmacytic infiltrate in the bone marrow, and a large serum protein or “macroglobulin.”1 Today, Waldenström’s macroglobulinemia, also known as lymphoplasmacytic lymphoma, a type of non-Hodgkin lymphoma, is classified as a rare, indolent, and heterogeneous type of lymphoma of the lymphatic system.
Longer-term follow-up of 2 large pivotal clinical trials in B-cell malignancies has demonstrated continuing remissions after chimeric antigen receptor (CAR) T-cell therapy: the ELIANA study in pediatric patients and young adults with relapsed or refractory B-acute lymphoblastic leukemia (B-ALL) and the JULIET study in adult patients with diffuse large B-cell lymphoma (DLBCL). Both updates were presented at a press conference at ASH 2018.
Mantle-cell lymphoma is a rare and fast-growing type of non-Hodgkin lymphoma (NHL), comprising approximately ≥4% of NHL cases in the United States. Mantle-cell lymphoma most often affects men aged ≥60 years, and the key factors affecting prognosis include the patient’s age, performance status, lactate dehydrogenase levels, and white blood cell count.
Imbruvica (Ibrutinib) First Drug Approved Specifically for Marginal-Zone Lymphoma and for Chronic Graft-versus-Host Disease
Marginal-zone lymphoma (MZL) arises from B-lymphocytes in the marginal zone of lymphoid tissue. This slow-growing indolent B-cell lymphoma represents approximately 12% of all cases of non-Hodgkin lymphoma (NHL) in adults. MZL is divided into 3 subtypes, including mucosa-associated lymphoid tissue (MALT), nodal MZL, and splenic MZL. MALT lymphoma is the most common of these subtypes and occurs in the stomach, intestines, salivary glands, thyroid, eyes, and lungs. In MALT lymphoma, autoimmune processes or chronic infection cause B-cells to accumulate. Helicobacter pylori is 1 of at least 6 microbial species associated with lymphoproliferation in gastric MALT lymphoma.
Yescarta (Axicabtagene Ciloleucel) Second CAR T-Cell Therapy Approved for Patients with Certain Types of Large B-Cell Lymphoma
Diffuse large B-cell lymphoma (DLBCL), a form of cancer that starts in the lymphatic system, is the most common type of non-Hodgkin lymphoma (NHL) in adults. In the United States, approximately 72,000 new cases of NHL are diagnosed annually; more than 20,000 people were estimated to die from the disease in 2017.
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